[PSUBS-MAILIST] MK101 oil compensation tap

[Cliff Redus via Personal_Submersibles]

Jon, when you take the MK 101 apart you will see why no one has drilled the apex cap.  The cap is an aluminum casting that has a support boss right at the apex that holds the roller bearing and bushing for the motor axle.  As I elected not to drill the housing I can't comment on preferred location. The body of the housing has the permanent magnets but there is room between the magnets for a port.  You would have to position the port so it does not interfere with the long bolts that hold all the parts together.  The assembly comes apart very easily.  Just keep track of were everything goes.
Regards
Cliff




Cliff Redus
Redus Engineering
USA mobile:  830-931-1280
cliffordredus at sbcglobal.com 
      From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Wednesday, May 20, 2015 10:52 AM
 Subject: [PSUBS-MAILIST] MK101 oil compensation tap
   

At first glance the MK-101 shell looks pretty thin.  I know they've been 
drilled and tapped to accomplish oil compensation but before I start I 
just want to know of any tips/tricks I should be aware of. Also, any 
reason nobody has drilled and tapped at the apex of the head on the end 
opposite the propeller?  Most every one has drilled in the cylinder body.

Jon

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